Camila Orti KETV wrote:HARLAN, Iowa —A startup company thinks it can turn salmon into a cash crop next to an Iowa cornfield.

Camila Orti KETV wrote:That system uses tanks, with purified water kept at just the right temperature, that move the water to keep the fish swimming like they would in a river. The investors think Harlan is the perfect place to grow them.

"The key inputs for raising salmon are feed and we grow a lot of that in Iowa," Kimle said. "And we do it well. Electricity and we have a lot of that at very good prices, and water, we have a lot of that, too."

And the purity of the closed system makes the fish safe enough for sushi.